.ui-progressbar { 
    height: 1.2em; 
    text-align: left; 
    position: relative;
    overflow: hidden;
}

.ui-progressbar-determinate .ui-progressbar-value {
    height: 100%;
    width: 0%;
    position: absolute;
    display: none;
    border: 0 none;
}

.ui-progressbar-determinate .ui-progressbar-value-animate {
    -webkit-transition: width 1s ease-in-out;
    -moz-transition: width 1s ease-in-out;
    -o-transition: width 1s ease-in-out;
    transition: width 1s ease-in-out;
}

.ui-progressbar-determinate .ui-progressbar-label {
    text-align: center;
    height: 100%;
    width: 100%;
    position: absolute;
    display: none;
    font-weight: bold;
}

.ui-progressbar-indeterminate {
    height: .5em;
}

.ui-progressbar-indeterminate .ui-progressbar-value {
    border: 0 none;
}

.ui-progressbar-indeterminate .ui-progressbar-value::before {
      content: '';
      position: absolute;
      background-color: inherit;
      top: 0;
      left: 0;
      bottom: 0;
      will-change: left, right;
      -webkit-animation: ui-progressbar-indeterminate-anim 2.1s cubic-bezier(0.65, 0.815, 0.735, 0.395) infinite;
              animation: ui-progressbar-indeterminate-anim 2.1s cubic-bezier(0.65, 0.815, 0.735, 0.395) infinite;
}

.ui-progressbar-indeterminate .ui-progressbar-value::after {
    content: '';
    position: absolute;
    background-color: inherit;
    top: 0;
    left: 0;
    bottom: 0;
    will-change: left, right;
    -webkit-animation: ui-progressbar-indeterminate-anim-short 2.1s cubic-bezier(0.165, 0.84, 0.44, 1) infinite;
            animation: ui-progressbar-indeterminate-anim-short 2.1s cubic-bezier(0.165, 0.84, 0.44, 1) infinite;
    -webkit-animation-delay: 1.15s;
            animation-delay: 1.15s;
}
    
@-webkit-keyframes ui-progressbar-indeterminate-anim {
  0% {
    left: -35%;
    right: 100%; }
  60% {
    left: 100%;
    right: -90%; }
  100% {
    left: 100%;
    right: -90%; } 
}
@keyframes ui-progressbar-indeterminate-anim {
  0% {
    left: -35%;
    right: 100%; }
  60% {
    left: 100%;
    right: -90%; }
  100% {
    left: 100%;
    right: -90%; } 
}

@-webkit-keyframes ui-progressbar-indeterminate-anim-short {
  0% {
    left: -200%;
    right: 100%; }
  60% {
    left: 107%;
    right: -8%; }
  100% {
    left: 107%;
    right: -8%; } 
}
@keyframes ui-progressbar-indeterminate-anim-short {
  0% {
    left: -200%;
    right: 100%; }
  60% {
    left: 107%;
    right: -8%; }
  100% {
    left: 107%;
    right: -8%; } 
}